[INFO] cloning repository https://github.com/Jaime-alv/codewars_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jaime-alv/codewars_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaime-alv%2Fcodewars_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaime-alv%2Fcodewars_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f43b20575c2cddbd407601765d04858c65274784
[INFO] testing Jaime-alv/codewars_rust against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaime-alv%2Fcodewars_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jaime-alv/codewars_rust on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jaime-alv/codewars_rust
[INFO] finished tweaking git repo https://github.com/Jaime-alv/codewars_rust
[INFO] tweaked toml for git repo https://github.com/Jaime-alv/codewars_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Jaime-alv/codewars_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c24cca25bff218d14736ad0d7c84c96166621941925bc453ee4f955eb331de38
[INFO] running `Command { std: "docker" "start" "-a" "c24cca25bff218d14736ad0d7c84c96166621941925bc453ee4f955eb331de38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c24cca25bff218d14736ad0d7c84c96166621941925bc453ee4f955eb331de38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c24cca25bff218d14736ad0d7c84c96166621941925bc453ee4f955eb331de38", kill_on_drop: false }`
[INFO] [stdout] c24cca25bff218d14736ad0d7c84c96166621941925bc453ee4f955eb331de38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a47e56cd0fecdf9638ec893b59033c1a36c32e964be825e389c4104f966905f0
[INFO] running `Command { std: "docker" "start" "-a" "a47e56cd0fecdf9638ec893b59033c1a36c32e964be825e389c4104f966905f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling codewars_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/kyu7/median.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     list[(list.len()/2)]
[INFO] [stdout]    |          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -     list[(list.len()/2)]
[INFO] [stdout] 11 +     list[list.len()/2]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/kyu6/character_with_longest_repetition.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Index, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_divisible` is never used
[INFO] [stdout]  --> src/kyu8/divisible_by.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_divisible(n: u32, x: u32, y: u32) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_or_odd` is never used
[INFO] [stdout]  --> src/kyu8/even_or_odd.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn even_or_odd(n: i32) -> &'static str {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_else_even_or_odd` is never used
[INFO] [stdout]  --> src/kyu8/even_or_odd.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn if_else_even_or_odd(n: i32) -> &'static str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length` is never used
[INFO] [stdout]   --> src/kyu8/add_length.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn add_length(s: &str) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length_solution` is never used
[INFO] [stdout]   --> src/kyu8/add_length.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn add_length_solution(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_boolean` is never used
[INFO] [stdout]  --> src/kyu8/parse_boolean.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn parse_boolean(b: bool) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `no_space` is never used
[INFO] [stdout]   --> src/kyu8/remove_string_spaces.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |  fn no_space(x : String) -> String{
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_string_case` is never used
[INFO] [stdout]   --> src/kyu7/fix_string_case.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) fn fix_string_case(s: &str) -> String {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/kyu7/fix_string_case.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn solve(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_by_area` is never used
[INFO] [stdout]   --> src/kyu7/sort_by_area.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn sort_by_area(seq: &[Either<(f64, f64), f64>]) -> Vec<Either<(f64, f64), f64>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area` is never used
[INFO] [stdout]   --> src/kyu7/sort_by_area.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn calculate_area(object: &Either<(f64, f64), f64>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dotest` is never used
[INFO] [stdout]   --> src/kyu7/sort_by_area.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn dotest(seq: &[Either<(f64, f64), f64>], expected: &[Either<(f64, f64), f64>]) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_by_last_char` is never used
[INFO] [stdout]  --> src/kyu7/sort_by_last_char.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sort_by_last_char(x: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_oldest_ages` is never used
[INFO] [stdout]   --> src/kyu7/two_oldest_ages.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn two_oldest_ages(ages: &[u8]) -> [u8; 2] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `median_function` is never used
[INFO] [stdout]  --> src/kyu7/median.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn median_function(list: &[i32]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Mixed` is never used
[INFO] [stdout]  --> src/kyu7/divide_and_conquer.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Mixed<'a> {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_and_conquer` is never used
[INFO] [stdout]   --> src/kyu7/divide_and_conquer.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn divide_and_conquer(list: &[Mixed]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div_con` is never used
[INFO] [stdout]   --> src/kyu7/divide_and_conquer.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn div_con(arr: &[Either<i32, String>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_nato` is never used
[INFO] [stdout]   --> src/kyu6/if_you_can_read_this.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn to_nato(words: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counter_letters` is never used
[INFO] [stdout]   --> src/kyu6/character_with_longest_repetition.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn counter_letters(s: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn rotate(s: &str) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `helper` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn helper(word: &str, mut tmp: Vec<String>, i: usize) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `last_char` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn last_char(word: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate_one_liner` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn rotate_one_liner(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "a47e56cd0fecdf9638ec893b59033c1a36c32e964be825e389c4104f966905f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47e56cd0fecdf9638ec893b59033c1a36c32e964be825e389c4104f966905f0", kill_on_drop: false }`
[INFO] [stdout] a47e56cd0fecdf9638ec893b59033c1a36c32e964be825e389c4104f966905f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d34191d537d318afe1a3cf29e5e0b81dd31381623b29fd31bcdc32ef2c0ae719
[INFO] running `Command { std: "docker" "start" "-a" "d34191d537d318afe1a3cf29e5e0b81dd31381623b29fd31bcdc32ef2c0ae719", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/kyu7/median.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     list[(list.len()/2)]
[INFO] [stdout]    |          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -     list[(list.len()/2)]
[INFO] [stdout] 11 +     list[list.len()/2]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/kyu6/character_with_longest_repetition.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Index, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_else_even_or_odd` is never used
[INFO] [stdout]  --> src/kyu8/even_or_odd.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn if_else_even_or_odd(n: i32) -> &'static str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length_solution` is never used
[INFO] [stdout]   --> src/kyu8/add_length.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn add_length_solution(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/kyu7/fix_string_case.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn solve(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_by_last_char` is never used
[INFO] [stdout]  --> src/kyu7/sort_by_last_char.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sort_by_last_char(x: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counter_letters` is never used
[INFO] [stdout]   --> src/kyu6/character_with_longest_repetition.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn counter_letters(s: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate_one_liner` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn rotate_one_liner(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "d34191d537d318afe1a3cf29e5e0b81dd31381623b29fd31bcdc32ef2c0ae719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34191d537d318afe1a3cf29e5e0b81dd31381623b29fd31bcdc32ef2c0ae719", kill_on_drop: false }`
[INFO] [stdout] d34191d537d318afe1a3cf29e5e0b81dd31381623b29fd31bcdc32ef2c0ae719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 061394a46ff98cd5bae5ecd3de21710c969dc9bab33424692a93b775259b0a0d
[INFO] running `Command { std: "docker" "start" "-a" "061394a46ff98cd5bae5ecd3de21710c969dc9bab33424692a93b775259b0a0d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/kyu7/median.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |     list[(list.len()/2)]
[INFO] [stderr]    |          ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 11 -     list[(list.len()/2)]
[INFO] [stderr] 11 +     list[list.len()/2]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ops::Index`
[INFO] [stderr]  --> src/kyu6/character_with_longest_repetition.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{ops::Index, collections::HashMap};
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `if_else_even_or_odd` is never used
[INFO] [stderr]  --> src/kyu8/even_or_odd.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn if_else_even_or_odd(n: i32) -> &'static str {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_length_solution` is never used
[INFO] [stderr]   --> src/kyu8/add_length.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn add_length_solution(s: &str) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve` is never used
[INFO] [stderr]   --> src/kyu7/fix_string_case.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn solve(s: &str) -> String {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sort_by_last_char` is never used
[INFO] [stderr]  --> src/kyu7/sort_by_last_char.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn sort_by_last_char(x: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `counter_letters` is never used
[INFO] [stderr]   --> src/kyu6/character_with_longest_repetition.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn counter_letters(s: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `rotate_one_liner` is never used
[INFO] [stderr]   --> src/kyu6/all_star_code_challenge.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn rotate_one_liner(s: &str) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `codewars_rust` (bin "codewars_rust" test) generated 8 warnings (run `cargo fix --bin "codewars_rust" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codewars_rust-1cfaf0b71fe1da0a)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test kyu6::all_star_code_challenge::test_all_star_code::basic_test ... ok
[INFO] [stdout] test kyu6::all_star_code_challenge::test_all_star_code::test_kata_example ... ok
[INFO] [stdout] test kyu6::all_star_code_challenge::test_all_star_code::test_order ... ok
[INFO] [stdout] test kyu6::character_with_longest_repetition::test_longest_repetition ... ok
[INFO] [stdout] test kyu6::if_you_can_read_this::test_nato_dictionary ... ok
[INFO] [stdout] test kyu6::if_you_can_read_this::examples ... ok
[INFO] [stdout] test kyu7::divide_and_conquer::tests::fixed_tests ... ok
[INFO] [stdout] test kyu7::divide_and_conquer::tests::test_local ... ok
[INFO] [stdout] test kyu7::fix_string_case::test_string_case ... ok
[INFO] [stdout] test kyu7::median::check_median ... ok
[INFO] [stdout] test kyu7::sort_by_area::fixed_tests ... ok
[INFO] [stdout] test kyu7::two_oldest_ages::test_two_oldest_ages ... ok
[INFO] [stdout] test kyu8::add_length::test_add_length ... ok
[INFO] [stdout] test kyu8::divisible_by::basic_tests ... ok
[INFO] [stdout] test kyu8::divisible_by::test_divisible_by ... ok
[INFO] [stdout] test kyu8::even_or_odd::returns_expected ... ok
[INFO] [stdout] test kyu8::multiply::test_multiply ... ok
[INFO] [stdout] test kyu8::parse_boolean::test_boolean ... ok
[INFO] [stdout] test kyu8::remove_string_spaces::returns_expected ... ok
[INFO] [stdout] test kyu7::median::check_mode_value ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- kyu7::median::check_mode_value stdout ----
[INFO] [stdout] thread 'kyu7::median::check_mode_value' panicked at src/kyu7/median.rs:29:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 2
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c1a7339ba6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c1a7339ba6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c1a7339ba6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55c1a7339ba6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c1a7363da0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c1a7363da0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c1a733760f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55c1a7339984 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c1a7339984 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c1a733b6f7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55c1a733b3dd - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55c1a7309477 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55c1a7309477 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55c1a733bd16 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55c1a733bd16 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55c1a733ba62 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55c1a733a0a6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55c1a733b7c0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55c1a72a7cd5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55c1a72a810b - core::panicking::assert_failed_inner::hbf94b40c37b92af0
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x55c1a72c10ae - core::panicking::assert_failed::hd88e70127c4470f2
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55c1a72be685 - codewars_rust::kyu7::median::check_mode_value::h181131f7aca8fda6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/kyu7/median.rs:29:5
[INFO] [stdout]   22:     0x55c1a72be547 - codewars_rust::kyu7::median::check_mode_value::{{closure}}::h4fb0eb511e153ace
[INFO] [stdout]                                at /opt/rustwide/workdir/src/kyu7/median.rs:27:22
[INFO] [stdout]   23:     0x55c1a72c4576 - core::ops::function::FnOnce::call_once::he2d654b6ac6a79ab
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55c1a730ed4f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55c1a730ed4f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55c1a730dad1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55c1a730dad1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55c1a730dad1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55c1a730dad1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55c1a730dad1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55c1a730dad1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55c1a730dad1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55c1a72d4e06 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55c1a72d4e06 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55c1a72d9e67 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55c1a72d9e67 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55c1a72d9e67 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55c1a72d9e67 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55c1a72d9e67 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55c1a72d9e67 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55c1a72d9e67 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55c1a73407c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55c1a73407c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55c1a73407c5 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fb1c6062ac3 - <unknown>
[INFO] [stdout]   46:     0x7fb1c60f3bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     kyu7::median::check_mode_value
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 19 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin codewars_rust`
[INFO] running `Command { std: "docker" "inspect" "061394a46ff98cd5bae5ecd3de21710c969dc9bab33424692a93b775259b0a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061394a46ff98cd5bae5ecd3de21710c969dc9bab33424692a93b775259b0a0d", kill_on_drop: false }`
[INFO] [stdout] 061394a46ff98cd5bae5ecd3de21710c969dc9bab33424692a93b775259b0a0d
[INFO] testing Jaime-alv/codewars_rust against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaime-alv%2Fcodewars_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jaime-alv/codewars_rust on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jaime-alv/codewars_rust
[INFO] finished tweaking git repo https://github.com/Jaime-alv/codewars_rust
[INFO] tweaked toml for git repo https://github.com/Jaime-alv/codewars_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jaime-alv/codewars_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 828c5431073e4eb4cf4d9dd15e6b549fbe4f4226570a40cb3133167d0c162176
[INFO] running `Command { std: "docker" "start" "-a" "828c5431073e4eb4cf4d9dd15e6b549fbe4f4226570a40cb3133167d0c162176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "828c5431073e4eb4cf4d9dd15e6b549fbe4f4226570a40cb3133167d0c162176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828c5431073e4eb4cf4d9dd15e6b549fbe4f4226570a40cb3133167d0c162176", kill_on_drop: false }`
[INFO] [stdout] 828c5431073e4eb4cf4d9dd15e6b549fbe4f4226570a40cb3133167d0c162176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 594eac5a1afb8a4596e7b5fe041fe1cc174c672c7dcaff880a7ea59516301a74
[INFO] running `Command { std: "docker" "start" "-a" "594eac5a1afb8a4596e7b5fe041fe1cc174c672c7dcaff880a7ea59516301a74", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling codewars_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/kyu7/median.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     list[(list.len()/2)]
[INFO] [stdout]    |          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -     list[(list.len()/2)]
[INFO] [stdout] 11 +     list[list.len()/2]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/kyu6/character_with_longest_repetition.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Index, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_divisible` is never used
[INFO] [stdout]  --> src/kyu8/divisible_by.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_divisible(n: u32, x: u32, y: u32) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_or_odd` is never used
[INFO] [stdout]  --> src/kyu8/even_or_odd.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn even_or_odd(n: i32) -> &'static str {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_else_even_or_odd` is never used
[INFO] [stdout]  --> src/kyu8/even_or_odd.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn if_else_even_or_odd(n: i32) -> &'static str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length` is never used
[INFO] [stdout]   --> src/kyu8/add_length.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn add_length(s: &str) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length_solution` is never used
[INFO] [stdout]   --> src/kyu8/add_length.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn add_length_solution(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_boolean` is never used
[INFO] [stdout]  --> src/kyu8/parse_boolean.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn parse_boolean(b: bool) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `no_space` is never used
[INFO] [stdout]   --> src/kyu8/remove_string_spaces.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |  fn no_space(x : String) -> String{
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_string_case` is never used
[INFO] [stdout]   --> src/kyu7/fix_string_case.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) fn fix_string_case(s: &str) -> String {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/kyu7/fix_string_case.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn solve(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_by_area` is never used
[INFO] [stdout]   --> src/kyu7/sort_by_area.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn sort_by_area(seq: &[Either<(f64, f64), f64>]) -> Vec<Either<(f64, f64), f64>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area` is never used
[INFO] [stdout]   --> src/kyu7/sort_by_area.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn calculate_area(object: &Either<(f64, f64), f64>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dotest` is never used
[INFO] [stdout]   --> src/kyu7/sort_by_area.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn dotest(seq: &[Either<(f64, f64), f64>], expected: &[Either<(f64, f64), f64>]) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_by_last_char` is never used
[INFO] [stdout]  --> src/kyu7/sort_by_last_char.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sort_by_last_char(x: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_oldest_ages` is never used
[INFO] [stdout]   --> src/kyu7/two_oldest_ages.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn two_oldest_ages(ages: &[u8]) -> [u8; 2] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `median_function` is never used
[INFO] [stdout]  --> src/kyu7/median.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn median_function(list: &[i32]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Mixed` is never used
[INFO] [stdout]  --> src/kyu7/divide_and_conquer.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Mixed<'a> {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_and_conquer` is never used
[INFO] [stdout]   --> src/kyu7/divide_and_conquer.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn divide_and_conquer(list: &[Mixed]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div_con` is never used
[INFO] [stdout]   --> src/kyu7/divide_and_conquer.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn div_con(arr: &[Either<i32, String>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_nato` is never used
[INFO] [stdout]   --> src/kyu6/if_you_can_read_this.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn to_nato(words: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counter_letters` is never used
[INFO] [stdout]   --> src/kyu6/character_with_longest_repetition.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn counter_letters(s: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn rotate(s: &str) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `helper` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn helper(word: &str, mut tmp: Vec<String>, i: usize) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `last_char` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn last_char(word: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate_one_liner` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn rotate_one_liner(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "594eac5a1afb8a4596e7b5fe041fe1cc174c672c7dcaff880a7ea59516301a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594eac5a1afb8a4596e7b5fe041fe1cc174c672c7dcaff880a7ea59516301a74", kill_on_drop: false }`
[INFO] [stdout] 594eac5a1afb8a4596e7b5fe041fe1cc174c672c7dcaff880a7ea59516301a74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e089c35562e9b4ef079ab85df1d7cfae901eaab1fe5027d16f04350c092996c
[INFO] running `Command { std: "docker" "start" "-a" "2e089c35562e9b4ef079ab85df1d7cfae901eaab1fe5027d16f04350c092996c", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/kyu7/median.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     list[(list.len()/2)]
[INFO] [stdout]    |          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -     list[(list.len()/2)]
[INFO] [stdout] 11 +     list[list.len()/2]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/kyu6/character_with_longest_repetition.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Index, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_else_even_or_odd` is never used
[INFO] [stdout]  --> src/kyu8/even_or_odd.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn if_else_even_or_odd(n: i32) -> &'static str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length_solution` is never used
[INFO] [stdout]   --> src/kyu8/add_length.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn add_length_solution(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/kyu7/fix_string_case.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn solve(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_by_last_char` is never used
[INFO] [stdout]  --> src/kyu7/sort_by_last_char.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sort_by_last_char(x: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counter_letters` is never used
[INFO] [stdout]   --> src/kyu6/character_with_longest_repetition.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn counter_letters(s: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate_one_liner` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn rotate_one_liner(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "2e089c35562e9b4ef079ab85df1d7cfae901eaab1fe5027d16f04350c092996c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e089c35562e9b4ef079ab85df1d7cfae901eaab1fe5027d16f04350c092996c", kill_on_drop: false }`
[INFO] [stdout] 2e089c35562e9b4ef079ab85df1d7cfae901eaab1fe5027d16f04350c092996c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49b6f3add35b50b6bc928fca63e66163686eb0bba0e380e4ced2c6536de1ebed
[INFO] running `Command { std: "docker" "start" "-a" "49b6f3add35b50b6bc928fca63e66163686eb0bba0e380e4ced2c6536de1ebed", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/kyu7/median.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |     list[(list.len()/2)]
[INFO] [stderr]    |          ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 11 -     list[(list.len()/2)]
[INFO] [stderr] 11 +     list[list.len()/2]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ops::Index`
[INFO] [stderr]  --> src/kyu6/character_with_longest_repetition.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{ops::Index, collections::HashMap};
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `if_else_even_or_odd` is never used
[INFO] [stderr]  --> src/kyu8/even_or_odd.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn if_else_even_or_odd(n: i32) -> &'static str {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_length_solution` is never used
[INFO] [stderr]   --> src/kyu8/add_length.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn add_length_solution(s: &str) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve` is never used
[INFO] [stderr]   --> src/kyu7/fix_string_case.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn solve(s: &str) -> String {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sort_by_last_char` is never used
[INFO] [stderr]  --> src/kyu7/sort_by_last_char.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn sort_by_last_char(x: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `counter_letters` is never used
[INFO] [stderr]   --> src/kyu6/character_with_longest_repetition.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn counter_letters(s: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `rotate_one_liner` is never used
[INFO] [stderr]   --> src/kyu6/all_star_code_challenge.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn rotate_one_liner(s: &str) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `codewars_rust` (bin "codewars_rust" test) generated 8 warnings (run `cargo fix --bin "codewars_rust" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codewars_rust-5ef7493037d623c8)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test kyu6::all_star_code_challenge::test_all_star_code::test_kata_example ... ok
[INFO] [stdout] test kyu6::all_star_code_challenge::test_all_star_code::test_order ... ok
[INFO] [stdout] test kyu6::character_with_longest_repetition::test_longest_repetition ... ok
[INFO] [stdout] test kyu6::if_you_can_read_this::examples ... ok
[INFO] [stdout] test kyu6::all_star_code_challenge::test_all_star_code::basic_test ... ok
[INFO] [stdout] test kyu6::if_you_can_read_this::test_nato_dictionary ... ok
[INFO] [stdout] test kyu7::divide_and_conquer::tests::fixed_tests ... ok
[INFO] [stdout] test kyu7::divide_and_conquer::tests::test_local ... ok
[INFO] [stdout] test kyu7::fix_string_case::test_string_case ... ok
[INFO] [stdout] test kyu7::median::check_median ... ok
[INFO] [stdout] test kyu7::sort_by_area::fixed_tests ... ok
[INFO] [stdout] test kyu7::two_oldest_ages::test_two_oldest_ages ... ok
[INFO] [stdout] test kyu8::add_length::test_add_length ... ok
[INFO] [stdout] test kyu8::divisible_by::basic_tests ... ok
[INFO] [stdout] test kyu8::divisible_by::test_divisible_by ... ok
[INFO] [stdout] test kyu8::even_or_odd::returns_expected ... ok
[INFO] [stdout] test kyu8::multiply::test_multiply ... ok
[INFO] [stdout] test kyu8::remove_string_spaces::returns_expected ... ok
[INFO] [stdout] test kyu8::parse_boolean::test_boolean ... ok
[INFO] [stdout] test kyu7::median::check_mode_value ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- kyu7::median::check_mode_value stdout ----
[INFO] [stdout] thread 'kyu7::median::check_mode_value' panicked at src/kyu7/median.rs:29:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 2
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55cc2ac2aee6 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55cc2ac2aee6 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55cc2ac2aee6 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55cc2ac2aee6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55cc2ac54f10 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55cc2ac54f10 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55cc2ac2873f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55cc2ac2acc4 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55cc2ac2acc4 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55cc2ac2ca37 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x55cc2ac2c71d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55cc2abfa457 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55cc2abfa457 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55cc2ac2d056 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55cc2ac2d056 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x55cc2ac2cda2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x55cc2ac2b3e6 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55cc2ac2caf4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x55cc2ab9a775 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55cc2ab9abab - core::panicking::assert_failed_inner::h2c4dd574e44796db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x55cc2abc03de - core::panicking::assert_failed::h663816aa7846bd90
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55cc2abb5585 - codewars_rust::kyu7::median::check_mode_value::h84b45350698d2d06
[INFO] [stdout]                                at /opt/rustwide/workdir/src/kyu7/median.rs:29:5
[INFO] [stdout]   22:     0x55cc2abb5447 - codewars_rust::kyu7::median::check_mode_value::{{closure}}::h5d7da0ce56469f65
[INFO] [stdout]                                at /opt/rustwide/workdir/src/kyu7/median.rs:27:22
[INFO] [stdout]   23:     0x55cc2abae1c6 - core::ops::function::FnOnce::call_once::h036c79321e855aa5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55cc2ac0004f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55cc2ac0004f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x55cc2abfee71 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x55cc2abfee71 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55cc2abfee71 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x55cc2abfee71 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x55cc2abfee71 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55cc2abfee71 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x55cc2abfee71 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x55cc2abc62d6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x55cc2abc62d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55cc2abcb297 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55cc2abcb297 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55cc2abcb297 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x55cc2abcb297 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x55cc2abcb297 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55cc2abcb297 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55cc2abcb297 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55cc2ac313f5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55cc2ac313f5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55cc2ac313f5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f056ee1dac3 - <unknown>
[INFO] [stdout]   46:     0x7f056eeaebf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     kyu7::median::check_mode_value
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 19 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin codewars_rust`
[INFO] running `Command { std: "docker" "inspect" "49b6f3add35b50b6bc928fca63e66163686eb0bba0e380e4ced2c6536de1ebed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b6f3add35b50b6bc928fca63e66163686eb0bba0e380e4ced2c6536de1ebed", kill_on_drop: false }`
[INFO] [stdout] 49b6f3add35b50b6bc928fca63e66163686eb0bba0e380e4ced2c6536de1ebed
